<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        function init(){
            window.addEventListener("hashchange",()=>{
                let url=location.hash.replace("#","");
                let insertPoint=document.getElementById("insertPoint");
                switch(url){
                    case "emp":
                        insertPoint.innerHTML="普通员工界面";
                        break;
                    case "manager":
                        insertPoint.innerHTML="管理员工界面";
                        break;
                }
                
            },false);
        }
        window.addEventListener("load",init,false);
        </script>
    </head>
    <body>
        <ul style="list-style: none">
            <li style="float: left;width:200px;text-align: center"><a href="#emp">员工</a></li>
            <li style="float: left;width:200px;text-align: center"><a href="#manager">管理员</a></li>
        </ul>
        <br>
        <hr>
        <div id="insertPoint"></div>
    </body>
    </html>